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30ct Zircon (Trillion, 21.53×21.53mm, Orange) vs 30ct Pyrope (Trillion, 23.15×23.15mm, Red)


Quick summary: When looked from above (face-up position), 30ct Pyrope (23.15×23.15mm, trillion cut) appears 16% larger than 30ct Zircon (21.53×21.53mm, trillion cut). See below how they compare side-by-side on a ring and finger.

30ct Zircon (trillion cut)
vs
30ct Pyrope (trillion cut)
orange
 
red
21.53×21.53 mm 23.15×23.15 mm
actual size
Actual size of 30ct Zircon (trillion cut, 21.53×21.53mm, Orange color)   Actual size of 30ct Pyrope (trillion cut, 23.15×23.15mm, Red color)
Actual size is set for screen
Ring: Skin tone:
Ring width: 3.0 mm
Left finger image
Ring on left finger
Orange 30ct Zircon (trillion cut, 21.53×21.53mm) on a left ring and finger
64 mm
Right finger image
Ring on a right finger
Red 30ct Pyrope (trillion cut, 23.15×23.15mm) on a right ring and finger
Your settings
Ring
Gold
Skin tone
Light
Ring diameter
16.9 mm
Ring width
3.0 mm
Finger length
64 mm
Finger coverage
128% vs 137%
Saved...
Ring diameter: 16.9 mm
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Actual sizes of 30ct Zircon Trillion (21.53×21.53mm, Orange) and 30ct Pyrope Trillion (23.15×23.15mm, Red) as they would appear on a ring and finger. Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.

Where to buy?

For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile

Face-up Size

All things being equal, Zircon will face-up smaller than Pyrope for a given carat weight, because it has higher specific gravity (4.7 vs. 3.78 - this means it's "heavier" compared to Pyrope of the same size). Face-up size also depends heavily on the proportions of the cut.

Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.


30 Ct Zircon (Trillion) 30 Ct Pyrope (Trillion)
21.53×21.53 mm vs 23.15×23.15 mm
287.4 mm²   332.27 mm²
Face-up size outline for 30ct Pyrope (23.15×23.15mm, trillion cut)
Face-up size outline for 30ct Zircon (21.53×21.53mm, trillion cut)
30ct Zircon Trillion (21.53×21.53mm)
30ct Pyrope Trillion (23.15×23.15mm)
Difference: 16% (44.87 mm²)
30ct Pyrope (Trillion, 23.15×23.15mm) has approx. 16% more face-up area than 30ct Zircon (Trillion, 21.53×21.53mm).


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